Methoxy Olsalazine ; 6-Hydroxy-6′-methoxy-3,3′-diazenediyldibenzoic acid ; 4-((3-Carboxy-4-hydroxyphenyl)diazenyl)-2-methoxybenzoic Acid l ;

4-Dehydroxy 2-Hydroxy Olsalazine ; 2,6′-Dihydroxy-3,3′-diazenediyldibenzoic acid ; CAS # 752188-68-4 ;

3-Descarboxy Olsalazine ; 2-Hydroxy-5-[(4-hydroxyphenyl)-diazenyl]benzoic acid ; CAS # 259151-72-9 ;

4-Dehydroxy 4-Chloro Olsalazine ; 6-Chloro-6′-hydroxy-3,3′-diazenediyldibenzoic acid ; CAS # 93964-55-7 ;

3-Descarboxy 3-Sulfocaetyl Olsalazine ; 2-Hydroxy-5-[[4-hydroxy-3-(sulfoacetyl)phenyl)diazenyl]benzoic acid ;

2-(3-Carboxy-4-hydroxy)phenyl Olsalazine ; 2′-[(3-Carboxy-4-hydroxyphenyl)diazenyl]-4,5′-dihydroxybiphenyl-3,4′-dicarboxylic acid ;

3-(3-Carboxy-4-hydroxy)phenyl Olsalazine ; 5-[(3-Carboxy-4-hydroxyphenyl)diazenyl]-2,4′-dihydroxybiphenyl-3,3′-dicarboxylic acid ;

3-(3-Carboxy-4-hydroxy)phenylazo Olsalazine ; 3,3′-[5-Carboxy-4-hydroxy-1,3-phenylenebis-(diazenediyl)]bis(6-hydroxybenzoic) acid ;

5-Decarboxy-3-(3-aboxy-4-hydroxy)phenylazo Olsalazine ; 3,3′-[4-Hydroxy-1,3-phenylenebis(diazenediyl)]-bis(6-hydroxybenzoic) acid ;

Disodium 3,3′-diazenediylbis(6-hydroxybenzoate) ; 3,3�-(1,2-Diazenediyl)bis[6-hydroxybenzoic Acid Sodium Salt ; CAS # 6054-98-4 ;